1311133202323 has 8 divisors (see below), whose sum is σ = 1499256331520. Its totient is φ = 1123214669640.

The previous prime is 1311133202321. The next prime is 1311133202359. The reversal of 1311133202323 is 3232023311131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1311133202323 - 2¹ = 1311133202321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311133202321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51135393 + ... + 51161026.

It is an arithmetic number, because the mean of its divisors is an integer number (187407041440).

Almost surely, 2^{1311133202323} is an apocalyptic number.

1311133202323 is a deficient number, since it is larger than the sum of its proper divisors (188123129197).

1311133202323 is a wasteful number, since it uses less digits than its factorization.

1311133202323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102298257.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1311133202323 its reverse (3232023311131), we get a palindrome (4543156513454).

The spelling of 1311133202323 in words is "one trillion, three hundred eleven billion, one hundred thirty-three million, two hundred two thousand, three hundred twenty-three".